History Of The Cochlear Implant
Pre-Modern Times Around 1790, a researcher named Alessandro Volta placed metal rods in his own ears and connected them to a 50-volt circuit. This is the first known attempt at using electricity to hear. Later around 1855, another attempt was made to stimulate the ear electronically. There were also other experiments in using electrical treatment for ear problems. Silver Age In the Depression years of the thirties, researchers found that putting a current near the ear can create auditory sensations....